British Sea Service Pistol
- Category
- Pistol
- Barrel
- 304 mm
- Weight, empty
- Not recorded
- Introduced
- 1750
About
What it is, and why it matters
The British Sea Service Pistol was a flintlock, smoothbore, muzzle-loading single-shot handgun issued to the Royal Navy from the mid-18th century through the Napoleonic era. Built with a robust India-pattern flintlock, full-length walnut stock and brass furniture, its defining feature was a long steel belt hook over the sideplate that let sailors secure the pistol to a belt or sash during boarding actions. The .56-caliber smoothbore barrel measured 12 inches on the standard pattern, with a shortened 9-inch version introduced in the 1790s.
The pistol's signature 7.5-inch steel belt hook let a boarding sailor sling it across a belt or sash, keeping both hands free to climb rigging or swing a cutlass until the moment of a single point-blank shot.
Assembled by various contractors under Board of Ordnance contracts and stamped with Tower of London proof and 'TOWER' lockplate markings. Pattern designations such as the Pattern 1801 standardized the design over time.
Specification
Everything measured
IdentityWhat it is, who built it and when.
- Manufacturer
- Tower of London Armoury
- Category
- Pistol
- Country
- United Kingdom
- Status
- Out of production
- Produced
- 1750 to 1815
DimensionsAs issued, without a magazine or an optic.
- Barrel
- 304 mm
- Overall length
- 489 mm
ActionHow it cycles, what trips it, and what feeds it.
- Action
- Muzzleloader
- Firing mechanism
- Flintlock
- Trigger
- Single action
- Capacity
- 1
- Magazine
- Internal
MaterialsEach swatch is the material itself, not a colour chosen to stand for it.
- Frame
- Wood
- Barrel
- Steel
- Stock
- Wood
- Finish
- Bright steel
BallisticsFrom the service cartridge, not a handload.
- Effective range
- 14 m
Trajectory
What the round does downrange
Solved from the muzzle figures and the bullet. The dashed rule is the effective range on the record, and the crosses are the steps the solver returned.
No load solved for this record yetThe flight path is computed from a cartridge and a bullet. This record has no ammunition filed against its chambering, so there is nothing to solve.
Features
What it has
What the record lists as fitted, drawn from the catalogue.
- Belt hook
Full length walnut stock
Brass furniture
Smoothbore barrel
Standing
How it compares
Each figure against the firearms of the same type and cartridge that record it, or of the same type where that cartridge has too few. Positions are read to the nearest tenth.
| Measurement | This firearm | Median | Position |
|---|---|---|---|
| Overall lengthAmong 1,911 pistols | 489 mm | 196 mm | Longer than about 90% |
| Barrel lengthAmong 1,941 pistols | 304 mm | 102 mm | Among the longest tenth |
| Magazine capacityAmong 1,962 pistols | 1 | 8 | Among the smallest capacities |
Answers
Questions about the British Sea Service Pistol
What caliber is the British Sea Service Pistol?
The British Sea Service Pistol is chambered in .56 Caliber Ball.
How many rounds does the British Sea Service Pistol hold?
The British Sea Service Pistol holds 1 rounds, fed from an internal magazine.
How long is the British Sea Service Pistol?
The British Sea Service Pistol is 489 mm (19.3 in) long overall, with a 304 mm (11.97 in) barrel.
Who makes the British Sea Service Pistol?
The British Sea Service Pistol is made by Tower of London Armoury (United Kingdom).
When was the British Sea Service Pistol introduced?
The British Sea Service Pistol was introduced in 1750 and discontinued in 1815.
How does the British Sea Service Pistol operate?
The British Sea Service Pistol uses a muzzleloader action, and its firing mechanism is flintlock.
Compatibility
Which parts fit this firearm
Studio
Every part that mounts on this, resolved
Not a list the maker typed out: the answer comes from the mounts this firearm exposes and the interface each part needs, so it stays right when either one changes.
- Every part that mounts on any firearm in the catalogue
- Interface standards, platforms and fit overrides
- The same answers through the API and the MCP server
Requires a signed-in GunSpec account on the Studio plan. The answer is computed per part, so it is not part of the public record.
Provenance
What the record holds
Every figure above was taken from one of these pages. The confidence reflects how much of the record came from a page a claim can be checked against.
In service
- Royal Navy
- 1750
- British Army
- United Kingdom
Provenance
Confidence in this record
60%
Stockists
Where to buy
Offers link straight to the shop. GunSpec never takes the order.
No shop has listed this firearm yet
Stock and prices come from the shops themselves. If you sell this firearm, you can list it and it appears here.
List a firearmMCP
Ask an assistant about it
The same record, reached the way a person asks for it rather than the way a program does.
Ask GunSpec
Works with
Point an MCP client at GunSpec and it answers from the catalogue rather than from memory. A free key covers the read tools.
API
The call that returns this record
The same fields, in the same units, from the same endpoint the page reads.
curl --request GET \ --url 'https://api.gunspec.io/v1/firearms/sea-service-pistol' \ --header 'X-API-Key: your_key'{ "id": "sea-service-pistol", "name": "British Sea Service Pistol", "manufacturer": { "id": "royal-armouries-tower", "name": "Tower of London Armoury", "countryCode": "GB", "foundedYear": null, "website": null, "logoUrl": null, "description": null, "status": null, "defunctYear": null, "stateOwned": null, "makesFirearms": null, "parentId": null, "predecessorId": null, "createdAt": "2026-06-21 23:00:46", "updatedAt": "2026-06-21 23:00:46", "version": "cb529ca4d4d2e0470e32a9d1bf7dbcc506bb4b0765dcb39bd8292f762085ae60" }, "category": { "id": "pistol", "name": "Pistol", "description": "Handguns designed to be fired with one or two hands" }, "country_of_origin": "GB", "year_introduced": 1750, "barrel_length_mm": 304, "weight_empty_g": null, "action_type": "muzzleloader"}